package com.exercise.utils;

/**
 * @Description:
 * @Date: 2019/11/13 14:01
 * @author: xfei
 */
public class Contant {

    /**
     * 字符串null
     */
    public static final String STRING_NULL = "null";

    public static String DEFUALT_DATE = "yyyy-MM-dd";
    public static String DEFUALT_DATETIME = "yyyy-MM-dd HH:mm:ss";
}
